Notepad:Special Wiki Features
Embed code for every page. So Sandbox:Test_Course on Kumu could be viewed in any web environment. Such as a WordPress space, a Learning Management System (such as Blackboard and/or Moodle), or the the TRU website. (WordPress also has [a special plugin] for even more precise rendering of MediaWiki pages.)
The "book creator" creates clean and formatted PDF or EPUB versions of assembled content in the Kumu space on the fly.
Transclusion - easily allows for blocks of content to be reused and updated easily across the system.
Special:UploadWizard - guides copyright compliant media sharing.